Home / 126,575.16-174,677.22-69,988.56

Finding the Fourth Proportional to 126,575.16, 174,677.22 and 69,988.56

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Solution

The fourth proportional to 126,575.16, 174,677.22 and 69,988.56 is: 96,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,575.16 : 174,677.22 = 69,988.56 : x
  2. Step 2: Convert to fraction form
    126,575.16/174,677.22 = 69,988.56/x
  3. Step 3: Cross multiply
    126,575.16x = 174,677.22 × 69,988.56
  4. Step 4: Simplify right side
    126,575.16x = 12,225,407,092.60
  5. Step 5: Solve for x
    x = 12,225,407,092.60/126,575.16
  6. Step 6: Final answer
    x = 96,586.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.